Depression is a complex and deeply personal experience. While almost everyone has periods of sadness, low mood or grief, depression is different. Major depressive disorder is persistent, interferes ...

No single ‘depression gene’ has been found, but large studies have identified over 100 genetic risk markers on chromosomes ...

Add Yahoo as a preferred source to see more of our stories on Google. Some people may experience seasonal depression during the spring. Symptoms can include low mood, reduced motivation, and more.

It's easy to fill up with self-blame when you're depressed. That's one reason psychiatrists and therapists began to emphasize that depression is a physical state. Pharmaceutical firms argued that ...

Major depressive disorder is a common mental illness, impacting 19 million American teens and adults. It is a psychiatric disorder that causes feelings of sadness, emptiness or hopelessness and a loss ...

Depression is characterized by a persistent low mood that can affect quality of life. If symptoms usually only occur in the winter months, it may be seasonal affective disorder (SAD), or major ...

What are the differences between depression and "the blues"? DR. RICHARD FRIEDMAN: A typical patient with depression who's functioning in the world, who's working, but feeling miserable, has no ...

Depression is a state of unhappiness and hopelessness - a psychiatric disorder manifested by persistent feelings of dejection, lack of energy, poor concentration and sometimes suicidal thoughts. There ...